html {
    color: #000;
    background: #FFF;
  }
  * {
    box-sizing: border-box;
  }
  body,
  div,
  dl,
  dt,
  dd,
  ul,
  ol,
  li,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  pre,
  form,
  fieldset,
  input,
  textarea,
  p,
  blockquote,
  th,
  td {
    margin: 0;
    padding: 0;
  }
  ol,
  ul {
    list-style: none;
  }
  .header_nav .row div {
    padding-left: 0;
  }
  .header_nav .row div:last-child {
    padding-right: 0;
  }
  .header_nav .row div:last-child ul li:last-child {
    width: 124px;
    height: 100%;
    text-align: center;
    background-color: #424242;
  }
  .header_nav .row div:last-child ul li:last-child a {
    line-height: 34px;
    padding-right: 0;
  }
  .header_nav .row div ul li {
    height: 40px;
  }
  .header_nav .row div ul li a {
    font-size: 12px;
    color: #B0B0B0;
    line-height: 40px;
    padding-top: 0;
    padding-bottom: 0;
  }
  .header_nav .row div ul li a:first-child {
    padding-left: 0;
  }
  .header {
    width: 100%;
    height: 40px;
    background-color: #333333;
  }
  .bar {
    margin-top: 30px;
  }


  .bar div .bar_top {
  padding-bottom: 30px;
}
.bar div .bar_top div:first-child {
  height: 58px;
  width: 58px;
  padding-left: 0;
}
.bar div .bar_top div:first-child img {
  height: 100%;
  width: 58px;
}
.bar div .bar_top div:nth-child(2) ul {
  height: 58px;
  line-height: 58px;
}
.bar div .bar_top div:nth-child(2) ul li a {
  font-size: 16px;
  color: #333333;
  padding-left: 10px;
  padding-right: 10px;
  padding-top: 0;
  padding-bottom: 0;
}
.bar div .bar_top div:nth-child(3) {
  position: relative;
  height: 58px;
  padding-top: 4px;
  padding-bottom: 4px;
  padding-right: 0;
}
.bar div .bar_top div:nth-child(3) input {
  padding: 0;
  margin: 0;
  width: 220px;
  height: 50px;
  border: 1px solid #E0E0E0;
  padding-left: 10px;
}
.bar div .bar_top div:nth-child(3) button {
  position: absolute;
  top: 4px;
  left: 234px;
  width: 50px;
  height: 50px;
  padding: 0;
  border: 1px solid #E0E0E0;
  background-color: #FFFFFF;
}
.bar div .bar_top div:nth-child(3) button:hover {
  background-color: #FF6700;
  color: #fff;
}


  .home::after {
    content: "";
    display: block;
    clear: both;
  }
  .home .home_left {
    float: left;
    width: 50%;
    padding: 0;
  }
  .home .home_left .row div div div.active {
      width: 560px;
      height: 560px;
  }
  .home .home_left .row div div div img {
      width: 560px;
      height: 560px;
  }
  .home .home_left .row div div {
    position: relative;
  }
  .home .home_left .row div div .mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 280px;
    height: 280px;
    background-color: #ccc;
    opacity: 0.3;
    display: none;
  }
  .home .home_left .row {
    position: relative;
  }
  .home .home_left .row .big {
    position: absolute;
    width: 400px;
    height: 400px;
    top: 0;
    left: 580px;
    overflow: hidden;
    background-color: #fff;
    display: none;
  }
  .home .home_left .row div button:nth-of-type(1) span {
      width: 40px;
      height: 70px;
      display: block;
  }
  .home .home_right {
    width: 50%;
    float: left;
  }
  .home .home_right h2:nth-of-type(1) {
    color: #333333;
    font-size: 18px;
    margin-bottom: 22px;
  }
  .home .home_right a {
    color: #FF4A00;
    font-size: 14px;
    line-height: 32px;
  }
  .home .home_right span {
    color: #B0B0B0;
    font-size: 14px;
    line-height: 32px;
  }
  .home .home_right p:nth-of-type(1) {
    color: #FF4A00;
    font-size: 16px;
    line-height: 45px;
  }
  .home .home_right p:nth-of-type(2) {
    color: #FF4A00;
    font-size: 22px;
  }
  .home .home_right h2:nth-of-type(2) {
    color: #333333;
    font-size: 24px;
    margin-bottom: 18px;
  }
  .home .home_right button {
    display: inline-block;
    width: 265px;
    height: 44px;
    border: 1px solid #757575;
    color: #757575;
    font-size: 18px;
    line-height: 44px;
    text-align: center;
    background: #FFFFFF;
    margin-bottom: 10px;
    margin-right: 10px;
  }
  .home .home_right h2:nth-of-type(3) {
    color: #333333;
    font-size: 24px;
    margin: 17px 0 17px 0;
  }
  .home .home_right button:nth-of-type(8) {
    width: 300px;
    height: 54px;
    color: #FF6700;
    border: 1px solid #FF6700;
    line-height: 54px;
    text-align: center;
    font-size: 16px;
  }
  .home .home_right button:nth-of-type(9) {
    width: 142px;
    height: 54px;
  }
  .home .home_right button.active {
    color: #FF4A00;
    border: 1px solid #FF4A00;
  }
  .home .home_right div {
    height: 152px;
    width: 600px;
    margin: 20px 0 20px 0;
    background-color: #F9F9FA;
    padding: 40px 30px 0 30px;
    margin-bottom: 30px;
  }
  .home .home_right div::after{
    content: "";
    display: block;
    clear: both;
  }
  .home .home_right div span:nth-of-type(2) {
    float: right;
  }
  .home .home_right div h2 {
    color: #FF6700 !important;
    font-size: 20px !important;
    margin-top: 26px !important;
  }

  /* 页脚 */
  .mainf {
    width: 1140px;
    margin: 0 auto;
  }
  .mainf .flooter .flooter_top {
    height: 82px;
    border-bottom: 1px solid #E0E0E0;
  }
  .mainf .flooter .flooter_top ul {
    padding-top: 25px;
  }
  .mainf .flooter .flooter_top ul::after {
    display: block;
    clear: both;
    content: '';
  }
  .mainf .flooter .flooter_top ul li {
    float: left;
    width: 228px;
    height: 26px;
    border-right: 1px solid #E0E0E0;
    font-size: 18px;
    color: #616161;
    text-align: center;
    line-height: 26px;
  }
  .mainf .flooter .flooter_top ul li:hover {
    color: #FF6700;
  }
  .mainf .flooter .flooter_top ul li:last-child {
    border: 0;
  }
  .mainf .flooter .flooter_top ul li span {
    font-size: 26px;
  }
  .mainf .flooter .flooter_bottom {
    height: 260px;
  }
  .mainf .flooter .flooter_bottom::after {
    display: block;
    clear: both;
    content: '';
  }
  .mainf .flooter .flooter_bottom .flooter_bottom_left {
    width: 912px;
    float: left;
    padding-top: 40px;
  }
  .mainf .flooter .flooter_bottom .flooter_bottom_left::after {
    display: block;
    clear: both;
    content: '';
  }
  .mainf .flooter .flooter_bottom .flooter_bottom_left li {
    float: left;
    width: 152px;
  }
  .mainf .flooter .flooter_bottom .flooter_bottom_left li h2 {
    font-size: 12px;
    color: #424242;
    margin-bottom: 21px;
  }
  .mainf .flooter .flooter_bottom .flooter_bottom_left li p {
    font-size: 12px;
    color: #757575;
    line-height: 28px ;
  }
  .mainf .flooter .flooter_bottom .flooter_bottom_right {
    width: 228px;
    float: left;
    margin-top: 40px;
    height: 110px;
    border-left: 1px solid #ccc;
    text-align: center;
  }
  .mainf .flooter .flooter_bottom .flooter_bottom_right h2 {
    font-size: 18px;
    color: #FF6700;
  }
  .mainf .flooter .flooter_bottom .flooter_bottom_right p {
    font-size: 12px;
    color: #616161;
    margin-top: 7px;
  }
  .mainf .flooter .flooter_bottom .flooter_bottom_right p:last-child {
    font-size: 14px;
  }
  .mainf .flooter .flooter_bottom .flooter_bottom_right p:last-child span {
    font-size: 16px;
  }
  .mainf .flooter .flooter_bottom .flooter_bottom_right a {
    display: block;
    height: 30px;
    width: 120px;
    color: #FF6700;
    text-align: center;
    line-height: 30px;
    border: 1px solid #FF6700;
    margin-top: 5px;
    margin-left: 52px;
  }
  